<p>WASHINGTON -- Newt Gingrich, whose familiar shock of white hair has lately resurfaced on TV screens, knows he's supposed to keep quiet now. Bush administration officials and his own advisers are telling him to stop peddling his inconvenient opinions.</p>
<p>But just days after his attack on the State Department prompted a White House rebuke, Gingrich answers his phone and can't resist offering a new blast, this time comparing a deputy secretary of state to a ''squid blowing out ink to hide from predators.''</p>